Koroppi Hasunoue

He may not appear to be as lively and bold as his brother
Keroppi, but Koroppi is a steady, hardworking achiever.
He's often mistaken for Keroppi, as both look so much alike!
Koroppi's hobby is tinkering with machines.
A born singer, Koroppi has the best voice in the family. He's a
member of the Kerokero Choir.